Ensure 'ASR: Block executable content from email client and webmail' is set to 'Block'

СредњаНиво 1Аутоматскаintune-defender

Опис

This rule blocks email opened within the Microsoft Outlook application, or Outlook.com and other popular webmail providers from propagating the following file types: • Executable files (such as .exe, .dll, or .scr) • Script files (such as a PowerShell .ps1, Visual Basic .vbs, or JavaScript .js file) The recommended state for this setting is: Block. Audit: reads the Intune PolicyManager ASR rules value (via the WinningProvider GUID) and requires the rule entry be9ba2d9-53ea-4cdc-84e5-9b1eeee46550=1 (Block).

Како се проверава

Метод провере: Windows регистар

registry

$p = (Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PolicyManager\current\device\Defender' -Name 'AttackSurfaceReductionRules_WinningProvider' -ErrorAction SilentlyContinue).'AttackSurfaceReductionRules_WinningProvider'; if (-not $p) { 'non-compliant: no ASR WinningProvider' } else { $p = ([string]$p).Trim('{}'); $k = 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PolicyManager\Providers\' + $p + '\default\Device\Defender'; if (-not (Test-Path $k)) { $k = 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PolicyManager\Providers\{' + $p + '}\default\Device\Defender' }; $v = (Get-ItemProperty -Path $k -Name 'AttackSurfaceReductionRules' -ErrorAction SilentlyContinue).'AttackSurfaceReductionRules'; $have = @(([string]$v) -split '\|' | ForEach-Object { $_.Trim().ToLower() }); $want = @('be9ba2d9-53ea-4cdc-84e5-9b1eeee46550=1'); if (@($want | Where-Object { $have -contains $_ }).Count -gt 0) { 'compliant' } else { 'non-compliant: ' + $v } }

Очекивани излаз: compliant

Како се исправља

Метод исправке: Смерница или закрпа инфраструктуре

To establish the recommended configuration via configuration profiles, set the following Settings Catalog path to Block. Defender\Block executable content from email client and webmail

Својства

Оперативни системи: Било који
Ознаке: intune-defenderintuneregistry
Референца: CIS Microsoft Intune for Microsoft Defender Antivirus Benchmark v1.0.0 - 2.14 Ensure 'ASR: Block executable content from email client and webmail' is set to 'Block'

Проверите овај рачунар

Покрените ово на рачунару за који имате дозволу за проверу. Скенирање ради у режиму само за читање.

shell

tmaegis scan --target intune-defender